- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
One of the 11 recorded attack sites of the Crystalline Entity and one of the three where settlers took refuge in caves. Unlike Melona IV, the tunnels contained kelbonite but not fistrium, and the lack of a combination allowed the Entity its deadly entry.